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. 1991 Apr;81(4):437-44.
doi: 10.1007/BF00219433.

Stable transformation of barley via PEG-induced direct DNA uptake into protoplasts

P A Lazzeri  1 , R Brettschneider, R Lührs, H Lörz
Affiliations

Stable transformation of barley via PEG-induced direct DNA uptake into protoplasts

P A Lazzeri et al. Theor Appl Genet. 1991 Apr.

Abstract

Protoplasts isolated from a barley cell suspension (cv Dissa) were transformed with plasmid DNA containing the neomycinphosphotransferase II (NPT) and β-glucuronidase (GUS) genes, using polyethyleneglycol (PEG) to induce DNA uptake. Transformed microcalli were selected in media containing G418 sulphate. NPT activity was detected in all antibiotic-resistant cell lines, but not all NPT-positive cell lines had GUS activity. Southern analysis confirmed the presence of sequences homologous to the APT and GUS genes in DNA of G418-resistant callus.

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